@book{Doke-1967,
  address    = {London},
  author     = {Doke, Clement M.},
  publisher  = {International African Institute},
  title      = {The Southern Bantu Languages},
  year       = {1967},
  iso_code   = {zul},
  olac_field = {phonetics; phonology; general_linguistics; typology},
  wals_code  = {zul}
}